{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-54274", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:44.523Z", "datePublished": "2025-12-30T12:16:03.696Z", "dateUpdated": "2026-05-11T19:58:48.284Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:58:48.284Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srpt: Add a check for valid 'mad_agent' pointer\n\nWhen unregistering MAD agent, srpt module has a non-null check\nfor 'mad_agent' pointer before invoking ib_unregister_mad_agent().\nThis check can pass if 'mad_agent' variable holds an error value.\nThe 'mad_agent' can have an error value for a short window when\nsrpt_add_one() and srpt_remove_one() is executed simultaneously.\n\nIn srpt module, added a valid pointer check for 'sport->mad_agent'\nbefore unregistering MAD agent.\n\nThis issue can hit when RoCE driver unregisters ib_device\n\nStack Trace:\n------------\nBUG: kernel NULL pointer dereference, address: 000000000000004d\nPGD 145003067 P4D 145003067 PUD 2324fe067 PMD 0\nOops: 0002 [#1] PREEMPT SMP NOPTI\nCPU: 10 PID: 4459 Comm: kworker/u80:0 Kdump: loaded Tainted: P\nHardware name: Dell Inc. PowerEdge R640/06NR82, BIOS 2.5.4 01/13/2020\nWorkqueue: bnxt_re bnxt_re_task [bnxt_re]\nRIP: 0010:_raw_spin_lock_irqsave+0x19/0x40\nCall Trace:\n ib_unregister_mad_agent+0x46/0x2f0 [ib_core]\n IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready\n ? __schedule+0x20b/0x560\n srpt_unregister_mad_agent+0x93/0xd0 [ib_srpt]\n srpt_remove_one+0x20/0x150 [ib_srpt]\n remove_client_context+0x88/0xd0 [ib_core]\n bond0: (slave p2p1): link status definitely up, 100000 Mbps full duplex\n disable_device+0x8a/0x160 [ib_core]\n bond0: active interface up!\n ? kernfs_name_hash+0x12/0x80\n (NULL device *): Bonding Info Received: rdev: 000000006c0b8247\n __ib_unregister_device+0x42/0xb0 [ib_core]\n (NULL device *): Master: mode: 4 num_slaves:2\n ib_unregister_device+0x22/0x30 [ib_core]\n (NULL device *): Slave: id: 105069936 name:p2p1 link:0 state:0\n bnxt_re_stopqps_and_ib_uninit+0x83/0x90 [bnxt_re]\n bnxt_re_alloc_lag+0x12e/0x4e0 [bnxt_re]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/infiniband/ulp/srpt/ib_srpt.c" ], "versions": [ { "version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d", "lessThan": "8ec6acdb9b6a80eeb13e778dfedb5d72a88f14fe", "status": "affected", "versionType": "git" }, { "version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d", "lessThan": "00cc21e32ea1b8ebbabf5d645da9378d986bf8ba", "status": "affected", "versionType": "git" }, { "version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d", "lessThan": "4323aaedeba32076e652aad056afd7885bb96bb7", "status": "affected", "versionType": "git" }, { "version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d", "lessThan": "5f6ef2a574b0e0e0ea46ed0022575442df9d0bf9", "status": "affected", "versionType": "git" }, { "version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d", "lessThan": "b713623bfef8cb1df9c769a3887fa10db63d1c54", "status": "affected", "versionType": "git" }, { "version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d", "lessThan": "eca5cd9474cd26d62f9756f536e2e656d3f62f3a", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/infiniband/ulp/srpt/ib_srpt.c" ], "versions": [ { "version": "3.3", "status": "affected" }, { "version": "0", "lessThan": "3.3", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.180", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.111", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.28", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.15", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3.2", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.10.180" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.15.111" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.1.28" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.2.15" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.3.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.4" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/8ec6acdb9b6a80eeb13e778dfedb5d72a88f14fe" }, { "url": "https://git.kernel.org/stable/c/00cc21e32ea1b8ebbabf5d645da9378d986bf8ba" }, { "url": "https://git.kernel.org/stable/c/4323aaedeba32076e652aad056afd7885bb96bb7" }, { "url": "https://git.kernel.org/stable/c/5f6ef2a574b0e0e0ea46ed0022575442df9d0bf9" }, { "url": "https://git.kernel.org/stable/c/b713623bfef8cb1df9c769a3887fa10db63d1c54" }, { "url": "https://git.kernel.org/stable/c/eca5cd9474cd26d62f9756f536e2e656d3f62f3a" } ], "title": "RDMA/srpt: Add a check for valid 'mad_agent' pointer", "x_generator": { "engine": "bippy-1.2.0" } } } }